a upon 3 =b upon 2 find 5a+3b upon 7a-2b
Answers
Answered by
3
Answer:
a = b/2 = -5/2ba
Step-by-step explanation:
Hello Mate
7a -5a = 2b-b = ba-2ba -3ba -ba
2a = b = -5ba
Divide the whole equation by 2
a = b/2 = -5/2ba
Hope it helps you
^_^
Answered by
11
Answer:
Step-by-step explanation:
a/3=b/2
a=3b/2
(5a+3b)/(7a-2b)
={5×(3b/2)+3b}/{7×(3b/2)-2b)
={(15b+6b)/2}/{(21b-4b)/2}
=21b/17b
=21/17
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